Azomethine pigments

C - Chemistry – Metallurgy – 09 – B

Patent

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260/306.05, 260/

C09B 55/00 (2006.01) C09B 23/16 (2006.01) C09B 57/04 (2006.01)

Patent

CA 1050992

Abstract of the Disclosure Azomethine pigments of the formula Image and metal complexes thereof, wherein A denotes an isocyclic or heterocyclic aromatic radical, R denotes a H atom, an alkyl group containing 1-6 C atoms, or an aryl radical, X2 and X4 denote H atoms or halogen atoms, X1 and X3 denote H atoms or halogen atoms, alkoxy or alkylmercapto groups containing 1-6 C atoms, cycloalkoxy groups containing 5-6 C atoms, or aralkoxy, aryloxy or arylmercapto groups, it being possible for one of the substituents X1-X4 also to be a nitro group which are use- ful for pigmenting of highmolecular material.

208575

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